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1. reaction kinetics—rate equation interpretation, order determination, rate constant unit, activation energy from Arrhenius plot
2. acid–base equilibria—buffer solution pH calculation, Ka use, indicator choice for titration, resistance to pH change with equations
3. ester hydrolysis—systematic naming, percentage composition from titration data, pH calculation post-reaction
4. organic spectroscopy—¹H and ¹³C NMR spectrum interpretation, structural isomer prediction, TLC Rf variation with solvent polarity
5. thermodynamics—entropy change calculation, temperature effect on feasibility, equilibrium constant determination from ΔG
6. ionic compound energetics—Born-Haber cycle construction, lattice energy discrepancy explanation, halide electron affinity trend analysis

Edexcel International AS/A Level Chemistry (WCH) Jan 2020

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Classification: Unit 4

Page count: 32

Viewed: 70

Last update: a month ago

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Chemistry WCH14/01 January 2020 | Edexcel International A Level Past Papers With Mark Scheme

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